Diffusion (vacuum)pump
[化] 扩散泵; 扩散真空泵
🧩 词语组成解析
🗣️ 情景例句
Compared with the West, people in the East place much importance on family.
与西方相比，东方人的家庭观念更浓些。
We have vanilla,chocolate,and strawberry.
我们有香草，巧克力，还有草莓。
Last week Mrs.Mills went to London.
上星期米尔斯夫人去了伦敦。